Mining was the lure that opened Arizona to Anglo-American settlement and, subsequently, led to its statehood. However, Arizona mining began with the Spanish discovery of the rich Planchas de Plata silver deposits just west of Nogales in 1736. In . . . — — Map (db m40777) HM
A colorful administrator, he is credited with establishing the basic location of Arizona's billion-dollar Interstate Highway System. He served as State Engineer twice, from 1924 to 1928 and from 1945 to 1951.
He devoted much of his final term to . . . — — Map (db m40780) HM
